@echo off   
set /P var="请选择您的位置：[1]固定IP,[2]自动获取,[3]取消:"
echo.
echo.  
echo 正在设置IP、网关、DNS...   
echo.
if %var%==1 goto config
if %var%==2 goto net2  
if %var%==3 goto end 

:config
set /P IP="设置固定IP地址:"
set /P Gateway="设置网关:"
#set /P DNS1="设置首选DNS:"
#set /P DNS2="设置备用DNS:"
goto net1

:net1  
echo   *****************************************************
echo                    IP地址  :%IP%
echo                    子网掩码:255.255.255.0
echo                    网关    :%Gateway%
echo   *****************************************************
netsh interface ip set address name="Local Area Connection" source=static addr=%IP% mask=255.255.255.0 >nul  
netsh interface ip set address name="Local Area Connection" gateway=%Gateway% gwmetric=0 >nul  
#netsh interface ip set dns name="Local Area Connection" source=static addr=%DNS1% register=PRIMARY >nul  
#netsh interface ip add dns name="Local Area Connection" addr=%DNS2% >nul  
goto end  
:net2  
netsh interface ip set address name="Local Area Connection" source=dhcp >nul  
# netsh interface ip set dns name="Local Area Connection" source=dhcp >nul  
goto end  
:end  
echo 设置完毕。
echo.
exit